Home / 2,110.38-3,165.60-954.78

Finding the Fourth Proportional to 2,110.38, 3,165.60 and 954.78

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Solution

The fourth proportional to 2,110.38, 3,165.60 and 954.78 is: 1,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.38 : 3,165.60 = 954.78 : x
  2. Step 2: Convert to fraction form
    2,110.38/3,165.60 = 954.78/x
  3. Step 3: Cross multiply
    2,110.38x = 3,165.60 × 954.78
  4. Step 4: Simplify right side
    2,110.38x = 3,022,451.57
  5. Step 5: Solve for x
    x = 3,022,451.57/2,110.38
  6. Step 6: Final answer
    x = 1,432.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.